Brad Bird‘s Tomorrowland has been the subject of all sorts of rumor and speculation since it was first announced a while back under the title 1952. Heck, for a time, there was even a wild theory going around that it was secretly Star Wars Episode VII. But now the film’s about to take a more concrete shape as production gets under way this week.

And as those cameras prepare to roll, Bird’s rounded up another name for the starry cast. Judy Greer is in negotiations for the mysterious sci-fi pic, which also features George Clooney, Hugh Laurie, Raffey Cassidy, and Britt Robinson. Hit the jump for the latest updates on the project.